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Connection.h
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Connection.h
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/*
+----------------------------------------------------------------------+
| Swoole |
+----------------------------------------------------------------------+
| This source file is subject to version 2.0 of the Apache license, |
| that is bundled with this package in the file LICENSE, and is |
| available through the world-wide-web at the following url: |
| http://www.apache.org/licenses/LICENSE-2.0.html |
| If you did not receive a copy of the Apache2.0 license and are unable|
| to obtain it through the world-wide-web, please send a note to |
| license@php.net so we can mail you a copy immediately. |
+----------------------------------------------------------------------+
| Author: Tianfeng Han <mikan.tenny@gmail.com> |
+----------------------------------------------------------------------+
*/
#ifndef SW_CONNECTION_H_
#define SW_CONNECTION_H_
#include "buffer.h"
#ifdef SW_USE_OPENSSL
#include <openssl/bio.h>
#include <openssl/ssl.h>
#include <openssl/err.h>
#define SW_SSL_BUFFER 1
#define SW_SSL_CLIENT 2
#endif
enum swConnectionState
{
SW_STATE_NULL = 0,
SW_STATE_ACTIVE = 1 << 0,
SW_STATE_REMOVED = 1 << 1,
SW_STATE_CLOSEING = 1 << 2,
SW_STATE_CLOSED = 1 << 3,
};
typedef struct _swConnection
{
/**
* is active
* system fd must be 0. en: timerfd, signalfd, listen socket
*/
uint8_t active;
/**
* file descript
*/
int fd;
/**
* ReactorThread id
*/
uint16_t from_id;
/**
* from which socket fd
*/
uint16_t from_fd;
/**
* socket address
*/
struct sockaddr_in addr;
/**
* link any thing
*/
void *object;
/**
* input buffer
*/
swBuffer *in_buffer;
/**
* output buffer
*/
swBuffer *out_buffer;
/**
* connect time(seconds)
*/
time_t connect_time;
/**
* received time with last data
*/
time_t last_time;
/**
* bind uid
*/
long uid;
/**
* upgarde websocket
*/
uint8_t websocket_status;
#ifdef SW_USE_OPENSSL
SSL *ssl;
uint32_t ssl_state;
#endif
} swConnection;
int swConnection_send_blocking(int fd, void *data, int length, int timeout);
int swConnection_buffer_send(swConnection *conn);
swString* swConnection_get_string_buffer(swConnection *conn);
void swConnection_clear_string_buffer(swConnection *conn);
volatile swBuffer_trunk* swConnection_get_out_buffer(swConnection *conn, uint32_t type);
volatile swBuffer_trunk* swConnection_get_in_buffer(swConnection *conn);
int swConnection_sendfile(swConnection *conn, char *filename);
#ifdef SW_USE_OPENSSL
int swSSL_init(char *cert_file, char *key_file);
void swSSL_free();
int swSSL_create(swConnection *conn, int flags);
int swSSL_accept(swConnection *conn);
void swSSL_close(swConnection *conn);
ssize_t swSSL_recv(swConnection *conn, void *__buf, size_t __n);
#endif
/**
* Receive data from connection
*/
static sw_inline ssize_t swConnection_recv(swConnection *conn, void *__buf, size_t __n, int __flags)
{
#ifdef SW_USE_OPENSSL
if (conn->ssl)
{
return swSSL_recv(conn, __buf, __n);
}
else
{
return recv(conn->fd, __buf, __n, __flags);
}
#else
return recv(conn->fd, __buf, __n, __flags);
#endif
}
/**
* Send data to connection
*/
static sw_inline int swConnection_send(swConnection *conn, void *__buf, size_t __n, int __flags)
{
#ifdef SW_USE_OPENSSL
if (conn->ssl)
{
return SSL_write(conn->ssl, __buf, __n);
}
else
{
return send(conn->fd, __buf, __n, __flags);
}
#else
return send(conn->fd, __buf, __n, __flags);
#endif
}
static sw_inline int swConnection_error(int err)
{
switch (err)
{
case ECONNRESET:
case EPIPE:
case ENOTCONN:
case ETIMEDOUT:
case ECONNREFUSED:
case ENETDOWN:
case ENETUNREACH:
case EHOSTDOWN:
case EHOSTUNREACH:
return SW_CLOSE;
case EAGAIN:
case 0:
return SW_WAIT;
default:
return SW_ERROR;
}
}
#endif /* SW_CONNECTION_H_ */